<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio">
      <radio color="#c00000" :checked="ifFullCheck" @click="changeGoodsState"/><text>全选</text> 
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计：<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
  </view>
</template>

<script>
  import {mapMutations,mapGetters,mapState} from 'vuex'
  export default {
    name:"my-settle",
    data() {
      return {
        seconds:3,
        timer:null
      };
    },
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      // label 的点击事件处理函数
      changeGoodsState(){
        // 修改购物车中所有商品的选中状态
        // !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
        this.updateAllGoodsState(!this.ifFullCheck)
      },
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的物品')
        if(!this.addStr) return uni.$showMsg('请选择收货地址')
        //if(!this.token) return uni.$showMsg('请先登陆')
        if(!this.token) return this.delayNavigate()
        this.payOrder()
      },
     async payOrder(){
        //封装请求数据
        const orderInfo = {
          //order_price:this.checkedGoodsAmount
          order_price:'0.01',
          consignee_addr:this.addStr,
          goods:this.cart.filter(x=>x.goods_state).map(x=>{
            return {
              goods_id:x.goods_id,
              goods_number:x.goods_count,
              goods_price:x.goods_price
            }
          })
        }
        //发起请求
        const {data:res} = await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
        //if(res.meta.status !== 200) uni.$showMsg("创建订单失败！")
        //得到服务器响应的“订单编号”
        //const orderNumber = res.message.order_number
        const orderNumber = 'JD204254626'
        //订单预支付
        const{data:res2} = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
        //if(res2.meta.status !== 200) uni.$showMsg('预付订单生成失败!')
        //const payInfo = res2.message.pay
        const payInfo ={
          nonceStr:"IetKN22VgkNYQr8T",
          package:'fdfsfdsfdsfdsfsdfs',
          paySign:"dsfdsfdsfsdfsdfdsfsdfdsfsdfs",
          signType:"MD5",
          timeStamp:"154646464646"
        }
        
       // 3. 发起微信支付
          // 3.1 调用 uni.requestPayment() 发起微信支付
          const [err, succ] = await uni.requestPayment(payInfo)
          // 3.2 未完成支付
          if (err) return uni.$showMsg('订单未支付！')
          // 3.3 完成了支付，进一步查询支付的结果
          const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
          // 3.4 检测到订单未支付
          if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
          // 3.5 检测到订单支付完成
          uni.showToast({
            title: '支付完成！',
            icon: 'success'
          })
      },
      delayNavigate(){
        this.showTips(this.seconds)
        //创建定时器，每隔 1 秒执行一次
        this.timer=setInterval(()=>{
          this.seconds--
          if(this.seconds<=0){
            clearInterval(this.timer)
            uni.switchTab({
              url:'/pages/my/my',
              success:()=>{
                this.updateRedirectInfo({
                  'opentype':'switchTab',
                  'from':'/pages/cart/cart'
                })
              }
            })
            this.seconds=3
            return
          }
          this.showTips(this.seconds)
        },1000)
      },
      // 展示倒计时的提示消息
      showTips(n){
        // 调用 uni.showToast() 方法，展示提示消息
        uni.showToast({
          // 不展示任何图标
          icon:'none',
          // 提示的消息
          title:'请登陆后再结算'+n+'秒后自动跳转到登陆页面!',
          // 为页面添加透明遮罩，防止点击穿透
          mask:true,
          // 1.5 秒后自动消失
          duration:1500
        })
      }
    },
    computed:{
      ...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addStr']),
      ...mapState('m_user',['token']),
      ...mapState('m_cart',['cart']),
      ifFullCheck(){
        return this.checkedCount===this.total
      }
    }
  }
</script>

<style lang="scss">
  .my-settle-container{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: white;
    
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-left: 5px;
    font-size: 14px;
    .radio{
      display: flex;
      align-items: center;
    }
    
    .amount-box{
      .amount{
        color: #c00000;
        font-weight: bold;
      }
    }
    
    .btn-settle{
      height: 50px;
      min-width: 100px;
      background-color: #c00000;
      color: white;
      line-height: 50px;
      text-align: center;
      padding: 0 10px;
    }
  }
</style>